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Mathematics, 03.09.2021 22:40 NEUROPHARMACOLOGICAL

From a 200-ton pile of coal, a conveyor belt removes 1
1
ton per minute. By lunchtime, only of a ton was left
3
6
on the pile. Which equation can be used to find x, the
number of minutes the conveyor belt was used to remove
coal before lunch?
1 1
X-= 200
6 3
1 1
X=
3 6
1 1
X +
= 200
6 3
1 1
200+
3 6
C 200

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Answers: 2

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From a 200-ton pile of coal, a conveyor belt removes 1
1
ton per minute. By lunchtime,...

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